Certa Pro in Dayton is the worst in customer service. We called in to complain after looking at the job in the sun. We called expressing out concern of cloudy shutters, and application problems to on cedar. The owner, Stephanie, did come out and argued with me the entire time. She informed she would have to get a third party in to look at it. First of all, it was evident there was a problem. Secondly, you should never argue with customer. To continue, Sherwin Williams (Third Party they insisted on having) did come out looked at the... read full review »